Class Jobs A/C - Zoe
LCD - Erik
Timer (breaks) - JiHun
BBoard - Hyuk Chan, Noel, Chae un, Caroline B.
Computer Monitor - Chae Young
Recycler / Paper people- Eun Su, Madiha
Word Wall - Alex, Ani
Supply Monitor - Marta
Note Taker - Aayushi, Madina
Snack master ( Day 1) - Zoe, JiHun
Photographer - Sebastian
Comparing and Scaling
Big Idea
Many important practical and mathematical applications involve comparing quantities of one kind or another; it is important to know which method to use and how we should use them.
A/C - Zoe
LCD - Erik
Timer (breaks) - JiHun
BBoard - Hyuk Chan, Noel, Chae un, Caroline B.
Computer Monitor - Chae Young
Recycler / Paper people- Eun Su, Madiha
Word Wall - Alex, Ani
Supply Monitor - Marta
Note Taker - Aayushi, Madina
Snack master ( Day 1) - Zoe, JiHun
Photographer - Sebastian
Comparing and Scaling
Big Idea
Many important practical and mathematical applications involve comparing quantities of one kind or another; it is important to know which method to use and how we should use them.
Investigation 1 Essential Question -What methods are there for comparing quantities?1.1 Writing Ads - 1.2 Targeting an Audience -1.3 Getting the Message Across - MartaMathematical Reflections, p. 15 - Eun Su
Investigation 2 Essential Question: How can we use percentages to compare different sets of data?
2.1 Comparing Leisure Activities -2.2 Comparing Your Class to the Nation -Madiha Mathematical Reflections, p. 25 -
Investigation 3 Essential Question: How can I use a proportion to increase or decrease the size of an image or quantity?
3.1 Mixing Juice - Ani3.2 Helping the Cook -3.3 Sharing Pizza - Chae YoungMathematical Reflections, p. 36 -
Investigation 4 Essential Question:
How can I use a unit rate to make a prediction?
4.1 Comparing Fuel Economy -4.2 Using Unit Rate - Madina4.3 Solving Problems with Rates -
4.4 Buying Beads -Mathematical Reflections, p. 51 -
Investigation 5 Essential Question:
How are rates, ratios and proportions related
and how are they different?
5.1 Estimating the Size of a Crowd - Ayushi
5.2 Estimating a Deer Population - Josh
5.3 Finding Population Densities - Caroline
5.4 Comparing the Dakotas - Sebastian
5.5 Predicting Traffic Jams - Alan
Mathematical Reflections, p. 64 - JiHun
Investigation 6 Essential Question:
Which comparing strategies work best in which situations?6.1 Scaling Up or Down - Chae
6.2 Using Rules of Thumb - Zoe
6.3 Selecting Delegates - Amreet
Mathematical Reflections, p. 81 - Alex
Comparing and Scaling Vocabulary
Population Density
Rate
Ratio
Scale, Scaling
Unit Rate
Decimal
Difference
Equation
Equivalent ratio
Fraction
Graph, Coordinate graph
Percent
Scale Factor
Proportion
Comparing Scaling Vocab definitions Teacher.pdf
Comparing Scaling Vocab definitions Student.pdf